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WorksheetsAstronomy Regents Review
Total questions: 20
Worksheet time: 40mins
The modern heliocentric model of planetary motion states that the planets travel around
the Sun in slightly elliptical orbits
the Sun in circular orbits
Earth in slightly elliptical orbits
Earth in circular orbits
Which motion causes the constellation Leo to no longer be visible to an observer at 40° N in October?
spin of the constellation on its axis
revolution of the constellation around the Sun
spin of Earth on its axis
revolution of Earth around the Sun
Many meteors are believed to be fragments of celestial objects normally found between the orbits of Mars and Jupiter. These objects are classified as
stars
asteroids
planets
moons
Great amounts of energy are released in the core of a star as lighter elements combine and form heavier elements during the process of
compaction
condensation
radioactive decay
nuclear fusion
Which information best supports the inference that the universe began with an explosion?
measurements of rates of decay using carbon-14
measurements of cosmic background radiation
calculations of the distance from the Sun to each asteroid in the asteroid belt
calculations of the temperature and luminosity of stars
A blue shift of the light from a star indicates that the star
will soon become a main sequence star
will soon become a giant star
is moving closer to Earth
is moving away from Earth
Saturn's moon Titan has an average density of 1.881 g/cm3. Which planet has a density closest to Titan's?
Mercury
Mars
Uranus
Neptune
The terrestrial planets differ from the Jovian planets because the terrestrial planets are
less dense and larger
less dense and smaller
more dense and larger
more dense and smaller
Ocean tides observed at coastal locations each day are primarily caused by
Earth’s revolution around the Sun
the changing phases of the Moon
the gravitational attraction between the Moon and Earth
seasonal changes in the compass location of sunrise
Compared to the luminosity and surface temperature of red main-sequence stars, blue supergiants are
less luminous and have a lower surface temperature
less luminous and have a higher surface temperature
more luminous and have a lower surface temperature
more luminous and have a higher surface temperature
Scientists infer that the universe began approximately
13.8 billion years ago
8.2 billion years ago
4.6 billion years ago
1.0 billion years ago
State the number of days the Moon takes to go through one complete cycle of Moon phases from full Moon to full Moon as viewed from Earth.
15.2 days
27.3 days
29.5 days
31.4 days
Which phase of the Moon is visible during a Solar Eclipse
Full Moon
New Moon
First Quarter
Third Quarter
Which of the following is NOT a phase of the Moon?
Waxing Gibbous
Waning Crescent
Half Moon
Third Quarter
Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?
Polaris
Betelgeuse
Procyon B
Sirius
This is the galaxy we live in. It has a spiral shape and is composed of billions of stars. What is its name?
Andromeda
Messier 81
Milky Way
IC 342
Which statement best describes Earth’s approximate rates of rotation and revolution?
Earth’s rotation rate is 15°/hour and its revolution rate is 1°/day
Earth’s rotation rate is 1°/hour and its revolution rate is 15°/day
Earth’s rotation rate is 24°/hour and its revolution rate is 360°/day
Earth’s rotation rate is 360°/hour and its revolution rate is 24°/day
Which two motions cause the Moon to show a complete cycle of phases each month when viewed from New York State?
the Moon’s rotation and Earth’s rotation
the Moon’s revolution and Earth’s rotation
the Moon’s rotation and the Sun’s rotation
the Moon’s revolution and the Sun’s rotation
Which property primarily determines whether a giant star or a supergiant star will form?
mass
color
shape
composition
What phase of the Moon is this?
Waxing Crescent
Waning Crescent
Waxing Gibbous
Waning Gibbous
